298564523531 has 2 divisors, whose sum is σ = 298564523532. Its totient is φ = 298564523530.

The previous prime is 298564523519. The next prime is 298564523549. The reversal of 298564523531 is 135325465892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 298564523531 - 2³⁸ = 23686616587 is a prime.

It is a super-2 number, since 2×298564523531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (298564523581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149282261765 + 149282261766.

It is an arithmetic number, because the mean of its divisors is an integer number (149282261766).

Almost surely, 2^298564523531 is an apocalyptic number.

298564523531 is a deficient number, since it is larger than the sum of its proper divisors (1).

298564523531 is an equidigital number, since it uses as much as digits as its factorization.

298564523531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776000, while the sum is 53.

The spelling of 298564523531 in words is "two hundred ninety-eight billion, five hundred sixty-four million, five hundred twenty-three thousand, five hundred thirty-one".